{"id":4221,"date":"2012-09-19T10:09:37","date_gmt":"2012-09-19T17:09:37","guid":{"rendered":"http:\/\/rustybolt.info\/wordpress\/?p=4221"},"modified":"2012-09-24T05:56:31","modified_gmt":"2012-09-24T12:56:31","slug":"2012-09-19","status":"publish","type":"post","link":"https:\/\/rustybolt.info\/wordpress\/?p=4221","title":{"rendered":"2012-09-19 Telephone Hold Circuit"},"content":{"rendered":"<p><a href=\"http:\/\/rustybolt.info\/wordpress\/?attachment_id=4317\" rel=\"attachment wp-att-4317\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-medium wp-image-4317\" title=\"DSC_0190\" src=\"http:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2012\/09\/DSC_0190-300x228.jpg\" alt=\"\" width=\"300\" height=\"228\" srcset=\"https:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2012\/09\/DSC_0190-300x228.jpg 300w, https:\/\/rustybolt.info\/wordpress\/wp-content\/uploads\/2012\/09\/DSC_0190.jpg 789w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>This circuit is connected across the phone line, and the pushbutton switch is placed close to the phone.\u00a0 When the pushbutton is pressed, the red LED lights up.\u00a0 The circuit is polarity sensitive so if the LED does not light, then the connections may have to be reversed.\u00a0 Once the LED is lit, the phone can be hung up, and then the other extension may be picked up.\u00a0 As soon as either phone is picked up, the LED will go out and conversation can resume.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This circuit is connected across the phone line, and the pushbutton switch is placed close to the phone.\u00a0 When the pushbutton is pressed, the red LED lights up.\u00a0 The circuit is polarity sensitive so if the LED does not light, then the connections may have to be reversed.\u00a0 Once the LED is lit, the phone<a href=\"https:\/\/rustybolt.info\/wordpress\/?p=4221\"> <\/p>\n<p> (Read More&#8230;)<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-4221","post","type-post","status-publish","format-standard","hentry","category-telephone"],"_links":{"self":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/4221","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4221"}],"version-history":[{"count":8,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/4221\/revisions"}],"predecessor-version":[{"id":4321,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/4221\/revisions\/4321"}],"wp:attachment":[{"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4221"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4221"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rustybolt.info\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4221"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}